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During
the refurbishment of its customer services centre in Ipswich, EDF
Energy installed coolceil radiant chilled ceiling panels from SAS International. The
refurbishment project included the conversion of a two-storey
outbuilding into a call centre, and energy efficient coolceil radiant chilled ceilings
were specified as the cooling solution throughout both floors.
SAS coolceil radiant chilled ceilings use water, as opposed to air or refrigerant, as
the heat transfer medium, and cooling is provided mainly via radiation.
Energy usage is reduced partly due to the system’s comparatively high
operating temperature of between 14°C and 17°C, as well as the ability
to set up separate cooling zones, ensuring only occupied areas are
cooled. Coolceil radiant chilled ceilings can also be used with technologies such as
free cooling and ground sourcing.
Lorne Stewart, the project’s M&E contractor, specified SAS coolceil radiant chilled
ceilings due to their energy efficiency and the building’s low floor to
ceiling height. This proved prohibitive for other cooling methods,
which require deep ceiling voids to hide unsightly ductwork. SAS
coolceil radiant chilled ceilings require a minimum ceiling void of 85mm, which allowed
the maximum floor to ceiling height to be achieved.
Simon Ayres, Project Manager for Lorne Stewart, commented: "Having
investigated the various other systems on the market for cooling the
space concerned, we decided upon a coolceil radiant chilled ceiling installation
complimented by displacement ventilation which provides a fresh air
supply to the space. The chilled ceiling system is relatively
simple to connect and has a great degree of flexibility when trying to
co-ordinate it into constrained building structures. The overall finish
of the product is of a very high standard and is also very
aesthetically pleasing. This coupled with the good acoustic
properties of the tiles made the coolceil radiant chilled ceiling system ideal for the
application."
Obstructions including trunking casings, which ran from the floor level
into the ceiling void, and structural columns were integrated into
specially formed coolceil radiant chilled ceiling panels, ensuring the maximum cooling
output was achieved. The coolceil radiant chilled ceiling tiles were also perforated,
allowing sound to be absorbed by the acoustic pads in the rear of each
panel and provide the required acoustic performance.
Other advantages of SAS coolceil radiant chilled ceilings include hinge-down access
panels ensuring easy access to the ceiling void and the lack of moving
parts in the system, which results in minimal maintenance requirements.
SAS water based coolceil radiant chilled ceiling panels provide a sustainable
alternative to traditional air conditioning systems, particularly
important as we seek to reduce energy usage and carbon emissions.
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